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ZIP code 94401: San Mateo, CA

94401 is a ZIP code in San Mateo, California, mainly in San Mateo County, part of the San Francisco-Oakland-Fremont, CA metro area. About 35,295 people live here.

Population
35,295
Median household income
$122,227
Typical home value
$1,204,300+5% in 12 months
Median rent
$2,762gross, per month
Median age
35.9
Homeowners
43.4%of occupied homes
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Shaded: ZIP code 94401's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 94401 details

CitySan Mateo
StateCalifornia
CountySan Mateo County
Metro areaSan Francisco-Oakland-Fremont, CA
Time zonePacific Time (UTC−8), observes daylight saving time
TypeStandard (delivery area)
Land area3.1 sq mi
Population density11,349 people per sq mi
Bachelor's degree or higher46.3% of adults 25+
Average commute25.7 minutes
Center coordinates37.57517, -122.31988

Median rent in 94401 by bedrooms

SizeMedian gross rent
Studio$2,127/mo
1 bedroom$2,627/mo
2 bedrooms$3,019/mo
3 bedrooms$3,501/mo
4 bedrooms$3,501/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 94401

ZIP codeCityDistancePopulation
94402San Mateo, CA2.5 mi25,475
94011Burlingame, CA2.6 mi—
94403San Mateo, CA2.7 mi43,276
94497San Mateo, CA2.8 mi—
94010Burlingame, CA3.0 mi43,025
94404San Mateo, CA3.2 mi35,881
94002Belmont, CA4.4 mi27,534
94128San Francisco, CA4.8 mi0

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 94401?

A typical home in ZIP code 94401 is worth about $1,204,300 (Zillow Home Value Index). The median household here earns $122,227 a year. See what buying here would cost per month, with California average taxes and insurance filled in.

Monthly payment for a $1,204,300 homeWhat can a $122,227 income afford?Rental property numbers

About ZIP code 94401

What city is ZIP code 94401?

ZIP code 94401 is in San Mateo, CA, in San Mateo County.

What county is ZIP code 94401 in?

94401 is mainly in San Mateo County, California.

What is the population of ZIP code 94401?

About 35,295 people live in ZIP code 94401, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 94401 in?

94401 is in Pacific Time (UTC−8). It observes daylight saving time.

What other ZIP codes does San Mateo have?

San Mateo, CA also uses 94402, 94403, 94404 and 94497.